Question about 1989 Ford F 150

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My belt is making a whistling screeching noise. i used belt conditioner and soap both makes it go away as soon as applied but it keeps coming back.

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Try tighting the belt. Loosen alternator screws and pull it back with any small rod and re-tight screws. Also check condition of belt.

Posted on Oct 13, 2010

You never put anything ,on any automotive belt.
Clean rust off pulleys,make sure their lined up and install a new belt.

Posted on Oct 13, 2010

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If you have changed the belt I would take it off to see if any of the bearings in a pulley may be going out.You can do this by spinning the pulleys on everything. Spin the water pump,the alt,air compressor. See if they make noise or feel rough while spinning them by hand. Replace whats bad.

Posted on Oct 13, 2010

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1 Answer

Hi I have just recently purchased a 54 plate xtrail and when I put the aircon on it whistles to me more prominent in the cab than outside


try
http://www.youfixcars.com/air-conditioning-noises.html
or It could be a slipping compressor belt. Get the pulleys as well as the belt checked and tightened/replaced if required. When the compressor starts, the initial load makes the belt slip and screech, which goes away once the compressor speed matches that of the belt or the driving pulley.

Dec 09, 2016 | Nissan XTrail Cars & Trucks

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Brakes make a whistle noise when applied and sometimes a low grown or grinding when coming to a slow stop or start.


A grinding or rumbling noise can also be symptoms of a wheel bearing or constant velocity joint in a driveshaft. A worn wheel bearing can also cause a 'whistling' sound (as can a worn CV joint).

A grinding noise with brakes is either worn pads causing metal to metal contact on the brake disk/rotor, or the brake backing plate catching on a spinning rotor ... or a loose/missing anti squeal brake shim (they stop the pads from rattling and vibrating).

However, as you say a mechanic has looked at the brakes and can't find anything wrong .. I think I would begin to suspect a wheel bearing or constant velocity joint on the driveshaft (front wheel drive cars).

May 05, 2016 | 2007 Honda Accord Sedan

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I have a 95 Buick Regal.It makes a noise when running ,but if take the belt off it stops.


it depends what kind of noise, if its a licking noise the pulleys that the belt is being turned by could be bad (belt tensioner pulley ,Idler pulley etc.) if its a squealing sound like a high pitched whistle or like a rubber heal screeching on a tile floor constantly the belt is no good there is fabric on the inside of the belt and when it wears away you will get the chirp or squealing /screeching sound from this. inspection of that belt will tell you look at the grooves if looks like shiny rubber you found it if it doesn't and the fabric is there then a pulley is the problem bad bearing can make the belt slip resulting in the squealing good luck LATER MAN!

Aug 24, 2014 | 1995 Buick Regal

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Engine screeches when running. revving the motor makes it stop momentarily


Could be a belt screeching. Fan belt, A/C belt, Serpentine Belt, alternator belt, etc. Easiest way to isolate which belt is to open the hood and use your ears to see where the screeching is coming from. Left, right, front, behind the engine? Spray some WD-40 on the belt you think is making noise and if it quiets right away, then that is the belt making the noise. Either the tensioner needs adjusting or the belt needs replacing. The WD-40 does not hurt the car, it'll start screeching again in a few days when it wears off.

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Car Makes Screeching Noise When Turned On With Ac On


This is very typical of a slipping A/C compressor drive belt. Inspect the belt for fraying and cracking and renew it if needed. Check the tension and make sure it is correct, and in a new one recheck after about 4 wks. It should deflect about 1 cm in the middle of the longest span with a firm push.

You can put some soap or drylube wax on the contact surfaces of the belt but that is temporary. Do not use petroleum products like WD40.

Jun 19, 2017 | Dodge Cars & Trucks

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I have a 2004 pontiac grand am and it is making a whistle sound when I drive what is wrong?


It whistles because it does not know the words. Common experience tells us that whistling comes from sucking or blowing air or other gas, not a liquid, through an orifice. Lots of orifices on a car so start by having someone listen under the hood, after opening it, as it idles and even with some revving up and down a bit. Some clue may be given as to the location of the whistle.

If you look closely under the hood you will see many small diameter hoses, usually black, which transfer engine vacuum hither and yon to do work or throw switches as the car goes about its business. Following each of these hoses to their ends and making sure they are still connected could lead you to a whistler.

There is a large wide black belt under the hood called a serpentine belt, these have been known to screech as they age and/or become loose. If the whistle noise is actually a screech, then I think you could use a squirt gun to spray some water on it as it spins and if the noise briefly goes away until the water dries, you may cure your whistle with a new belt.

Someone who knows what they are doing is most likely going to have to put their eyes and hands on the car to figure this out.

Sep 14, 2011 | 2004 Pontiac Grand Am

1 Answer

1993 nissan altima what could be causing a screeching


It probably is a belt. You should look under the hood and check for a loose belt. Tighten as necessary. You should not be able to deflect the belt more than 1/2" in the center of the span of the belt.

Brakes will also make a screeching noise when they are worn out. This noise will also go away when you stop (of course). The sound is quite different than the belt sound.

Jan 31, 2010 | 1993 Nissan Altima

1 Answer

My 2005 ford focus making screeching noise!


Serpentine belt , idler pulley bearing?

Jan 24, 2010 | 2005 Ford Focus

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